5 |
|
* Holodeck display process. |
6 |
|
*/ |
7 |
|
|
8 |
+ |
#include <string.h> |
9 |
+ |
#include <ctype.h> |
10 |
+ |
|
11 |
+ |
#include "rterror.h" |
12 |
|
#include "rholo.h" |
13 |
|
#include "rhdisp.h" |
14 |
|
#include "rhdriver.h" |
15 |
|
#include "selcall.h" |
12 |
– |
#include <ctype.h> |
16 |
|
|
17 |
|
#ifndef VIEWHISTLEN |
18 |
|
#define VIEWHISTLEN 4 /* number of remembered views */ |
58 |
|
#define RDY_DEV 02 |
59 |
|
#define RDY_SIN 04 |
60 |
|
|
61 |
+ |
static int disp_wait(void); |
62 |
+ |
static void add_holo(HDGRID *hdg, char *gfn, char *pfn); |
63 |
+ |
static void disp_bundle(PACKHEAD *p); |
64 |
+ |
static void new_view(register VIEW *v); |
65 |
+ |
static void set_focus(char *args); |
66 |
+ |
static int usr_input(void); |
67 |
+ |
static void printview(void); |
68 |
|
|
69 |
< |
main(argc, argv) |
70 |
< |
int argc; |
71 |
< |
char *argv[]; |
69 |
> |
|
70 |
> |
int |
71 |
> |
main( |
72 |
> |
int argc, |
73 |
> |
char *argv[] |
74 |
> |
) |
75 |
|
{ |
76 |
|
int rdy, inp, res = 0, pause = 0; |
77 |
|
|
160 |
|
#endif |
161 |
|
/* all done */ |
162 |
|
quit(0); |
163 |
+ |
return 0; /* pro forma return */ |
164 |
|
} |
165 |
|
|
166 |
|
|
167 |
< |
int |
168 |
< |
disp_wait() /* wait for more input */ |
167 |
> |
static int |
168 |
> |
disp_wait(void) /* wait for more input */ |
169 |
|
{ |
170 |
|
fd_set readset, errset; |
171 |
|
int flgs; |
172 |
|
int n; |
159 |
– |
register int i; |
173 |
|
/* see if we can avoid select call */ |
174 |
|
if (hdlist[0] == NULL) |
175 |
|
return(RDY_SRV); /* initialize first */ |
214 |
|
} |
215 |
|
|
216 |
|
|
217 |
< |
add_holo(hdg, gfn, pfn) /* register a new holodeck section */ |
218 |
< |
HDGRID *hdg; |
219 |
< |
char *gfn, *pfn; |
217 |
> |
static void |
218 |
> |
add_holo( /* register a new holodeck section */ |
219 |
> |
HDGRID *hdg, |
220 |
> |
char *gfn, |
221 |
> |
char *pfn |
222 |
> |
) |
223 |
|
{ |
224 |
|
VIEW nv; |
225 |
|
double d; |
232 |
|
hdlist[hd] = (HOLO *)malloc(sizeof(HOLO)); |
233 |
|
if (hdlist[hd] == NULL) |
234 |
|
error(SYSTEM, "out of memory in add_holo"); |
235 |
< |
bcopy((char *)hdg, (char *)hdlist[hd], sizeof(HDGRID)); |
235 |
> |
memcpy((void *)hdlist[hd], (void *)hdg, sizeof(HDGRID)); |
236 |
|
hdcompgrid(hdlist[hd]); |
237 |
|
hdgfn[hd] = savestr(gfn); |
238 |
|
hdpfn[hd] = pfn && *pfn ? savestr(pfn) : (char *)NULL; |
239 |
|
if (hd) |
240 |
|
return; |
241 |
|
/* set initial viewpoint */ |
242 |
< |
copystruct(&nv, &odev.v); |
242 |
> |
nv = odev.v; |
243 |
|
VSUM(nv.vp, hdlist[0]->orig, hdlist[0]->xv[0], 0.5); |
244 |
|
VSUM(nv.vp, nv.vp, hdlist[0]->xv[1], 0.5); |
245 |
|
VSUM(nv.vp, nv.vp, hdlist[0]->xv[2], 0.5); |
255 |
|
} |
256 |
|
|
257 |
|
|
258 |
< |
disp_bundle(p) /* display a ray bundle */ |
259 |
< |
register PACKHEAD *p; |
258 |
> |
static void |
259 |
> |
disp_bundle( /* display a ray bundle */ |
260 |
> |
register PACKHEAD *p |
261 |
> |
) |
262 |
|
{ |
263 |
|
GCOORD gc[2]; |
264 |
|
FVECT ro, rd, wp; |
265 |
|
double d; |
266 |
|
register int i; |
267 |
|
/* get beam coordinates */ |
268 |
< |
if (p->hd < 0 | p->hd >= HDMAX || hdlist[p->hd] == NULL) |
268 |
> |
if ((p->hd < 0) | (p->hd >= HDMAX) || hdlist[p->hd] == NULL) |
269 |
|
error(INTERNAL, "bad holodeck number in disp_bundle"); |
270 |
|
if (!hdbcoord(gc, hdlist[p->hd], p->bi)) |
271 |
|
error(INTERNAL, "bad beam index in disp_bundle"); |
286 |
|
} |
287 |
|
|
288 |
|
|
289 |
< |
new_view(v) /* change view parameters */ |
290 |
< |
register VIEW *v; |
289 |
> |
static void |
290 |
> |
new_view( /* change view parameters */ |
291 |
> |
register VIEW *v |
292 |
> |
) |
293 |
|
{ |
294 |
|
static VIEW viewhist[VIEWHISTLEN]; |
295 |
|
static unsigned nhist; |
296 |
|
VIEW *dv; |
297 |
|
int i, res[2]; |
298 |
< |
int2 *slist; |
298 |
> |
int16 *slist; |
299 |
|
char *err; |
300 |
|
/* restore previous view? */ |
301 |
|
if (v == NULL) { |
324 |
|
error(COMMAND, "invalid starting view"); |
325 |
|
return; |
326 |
|
} |
327 |
< |
copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
328 |
< |
goto again; /* poss. overloading dev_section()? */ |
327 |
> |
*v = *(viewhist + ((nhist-1)%VIEWHISTLEN)); |
328 |
> |
goto again; /* XXX overloading dev_section()? */ |
329 |
|
} |
330 |
|
DCHECK(*slist < 0, WARNING, "no visible sections in new_view"); |
331 |
|
for ( ; *slist >= 0; slist++) |
337 |
|
imm_mode = beam_sync(odev.firstuse) > 0; |
338 |
|
/* record new view */ |
339 |
|
if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
340 |
< |
copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
340 |
> |
*(viewhist + (nhist%VIEWHISTLEN)) = *v; |
341 |
|
nhist++; |
342 |
|
} |
343 |
|
} |
344 |
|
|
345 |
|
|
346 |
< |
set_focus(args) /* set focus frame */ |
347 |
< |
char *args; |
346 |
> |
static void |
347 |
> |
set_focus( /* set focus frame */ |
348 |
> |
char *args |
349 |
> |
) |
350 |
|
{ |
351 |
|
double hcent, vcent, hsiz, vsiz; |
352 |
|
VIEW *dv, vwfocus; |
369 |
|
beam_init(0); /* add basic views */ |
370 |
|
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
371 |
|
beam_view(dv, res[0]>>4, res[1]>>4); |
372 |
< |
copystruct(&vwfocus, &odev.v); /* add focus view */ |
372 |
> |
vwfocus = odev.v; /* add focus view */ |
373 |
|
switch (odev.v.type) { |
374 |
|
case VT_PER: |
375 |
|
vwfocus.horiz = 2.*180./PI*atan( |
382 |
|
vwfocus.horiz = hsiz * odev.v.horiz; |
383 |
|
vwfocus.vert = vsiz * odev.v.vert; |
384 |
|
break; |
385 |
+ |
case VT_PLS: |
386 |
+ |
vwfocus.horiz = hsiz * sin((PI/180./2.)*odev.v.horiz) / |
387 |
+ |
(1.0 + cos((PI/180./2.)*odev.v.horiz)); |
388 |
+ |
vwfocus.horiz *= vwfocus.horiz; |
389 |
+ |
vwfocus.horiz = (2.*180./PI)*acos((1. - vwfocus.horiz) / |
390 |
+ |
(1. + vwfocus.horiz)); |
391 |
+ |
vwfocus.vert = vsiz * sin((PI/180./2.)*odev.v.vert) / |
392 |
+ |
(1.0 + cos((PI/180./2.)*odev.v.vert)); |
393 |
+ |
vwfocus.vert *= vwfocus.vert; |
394 |
+ |
vwfocus.vert = (2.*180./PI)*acos((1. - vwfocus.vert) / |
395 |
+ |
(1. + vwfocus.vert)); |
396 |
+ |
break; |
397 |
|
case VT_HEM: |
398 |
|
vwfocus.horiz = 2.*180./PI*asin( |
399 |
|
hsiz * sin(PI/180./2.*odev.v.horiz) ); |
417 |
|
} |
418 |
|
|
419 |
|
|
420 |
< |
int |
421 |
< |
usr_input() /* get user input and process it */ |
420 |
> |
static int |
421 |
> |
usr_input(void) /* get user input and process it */ |
422 |
|
{ |
423 |
|
VIEW vparams; |
424 |
|
char cmd[256]; |
447 |
|
} |
448 |
|
switch (i) { |
449 |
|
case DC_SETVIEW: /* set the view */ |
450 |
< |
copystruct(&vparams, &odev.v); |
450 |
> |
vparams = odev.v; |
451 |
|
if (!sscanview(&vparams, args)) |
452 |
|
error(COMMAND, "missing view options"); |
453 |
|
else |
489 |
|
} |
490 |
|
|
491 |
|
|
492 |
< |
printview() /* print our current view to server stdout */ |
492 |
> |
static void |
493 |
> |
printview(void) /* print our current view to server stdout */ |
494 |
|
{ |
495 |
|
fputs(VIEWSTR, sstdout); |
496 |
|
fprintview(&odev.v, sstdout); |
499 |
|
} |
500 |
|
|
501 |
|
|
502 |
< |
int |
503 |
< |
serv_result() /* get next server result and process it */ |
502 |
> |
extern int |
503 |
> |
serv_result(void) /* get next server result and process it */ |
504 |
|
{ |
505 |
|
static char *buf = NULL; |
506 |
|
static int bufsiz = 0; |
507 |
|
MSGHEAD msg; |
473 |
– |
int n; |
508 |
|
/* read message header */ |
509 |
|
if (fread((char *)&msg, sizeof(MSGHEAD), 1, stdin) != 1) |
510 |
|
goto readerr; |
513 |
|
if (buf == NULL) |
514 |
|
buf = (char *)malloc(bufsiz=msg.nbytes); |
515 |
|
else |
516 |
< |
buf = (char *)realloc(buf, bufsiz=msg.nbytes); |
516 |
> |
buf = (char *)realloc((void *)buf, |
517 |
> |
bufsiz=msg.nbytes); |
518 |
|
if (buf == NULL) |
519 |
|
error(SYSTEM, "out of memory in serv_result"); |
520 |
|
} |
572 |
|
if (feof(stdin)) |
573 |
|
error(SYSTEM, "server process died"); |
574 |
|
error(SYSTEM, "error reading from server process"); |
575 |
+ |
return -1; |
576 |
|
} |
577 |
|
|
578 |
|
|
579 |
< |
serv_request(type, nbytes, p) /* send a request to the server process */ |
580 |
< |
int type, nbytes; |
581 |
< |
char *p; |
579 |
> |
extern void |
580 |
> |
serv_request( /* send a request to the server process */ |
581 |
> |
int type, |
582 |
> |
int nbytes, |
583 |
> |
char *p |
584 |
> |
) |
585 |
|
{ |
586 |
|
MSGHEAD msg; |
587 |
|
int m; |
606 |
|
|
607 |
|
|
608 |
|
void |
609 |
< |
eputs(s) /* put error message to stderr */ |
610 |
< |
register char *s; |
609 |
> |
eputs( /* put error message to stderr */ |
610 |
> |
register char *s |
611 |
> |
) |
612 |
|
{ |
613 |
|
static int midline = 0; |
614 |
|
|
627 |
|
|
628 |
|
|
629 |
|
void |
630 |
< |
quit(code) /* clean up and exit */ |
631 |
< |
int code; |
630 |
> |
quit( /* clean up and exit */ |
631 |
> |
int code |
632 |
> |
) |
633 |
|
{ |
634 |
|
if (code) |
635 |
|
exit(code); |